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Product Performance:The product with High precision durability,fine reliabillty,The drill,nut,grip jaw,external sleeve spanner wheel adopt the superior steed for its manufacture.it employs nowadays the most the most advanced technology of vauum heat treatment in the world. |
The Applicable Range:The Applicable Range:Heavy-duty,ultra-duty tasks,it is commonly used in lathe drill bench, miller,CNC and woodworking machinery, It may endure high-speed cutting. |
Accuracy Inspection:The max radial skip of this product does not exceed 0.15mm. It reaches tonational standard A Level accuracy criterion. The minimun radial skip of the product is less than 0.08mm, which can satisfy the customers need. The drill spanner wheel hole hardness is HRC47-50, grip jaw nut is HRC52-55,spanner wheel: extemal sleeve are HRC48-50. The rear taper uses the drill clamp cone guge(GB-11855) for its painted inspection. The contacttime is 70% higher than the national standard Torque:(GB/T6087-93fixed input 24N.M,and ourput 30N.M with no damage to various spares of the drill chuck. |